| 1991年江淮暴雨与20—25天低频振荡 |
| |
| 引用本文： | 杨信杰,罗坚.1991年江淮暴雨与20—25天低频振荡[J].气象科学,1994,14(4):354-361. |
| |
| 作者姓名： | 杨信杰 罗坚 |
| |
| 作者单位： | 南京空军气象学院 |
| |
| 摘 要： | 1991年江淮梅雨期出现了三次暴雨过程，降水呈现显著的20－25天振荡，该周期明显短于海两期40天振荡的气候周期。分析表明，1991年梅雨降水的低频振荡与乌拉尔阻高、西太平洋副高、东亚与印度季风以及500hPa赤道地区向北传播涡列的20－25天振荡有着密切的关系。
|
| 关 键 词： | 暴雨 低频振荡 梅雨期 涡度 |
THE HEAVY RAINFALL OVER THE JIANGHEAI BASIN AND THE 20-25 DAYS LOW FREQUENCY OSCILLATION IN 1991 |
| |
| Yan Xinjie,Luo Jiau,Qiao Quanming,Fei Jianfang,Chen Fenggui.THE HEAVY RAINFALL OVER THE JIANGHEAI BASIN AND THE 20-25 DAYS LOW FREQUENCY OSCILLATION IN 1991[J].Scientia Meteorologica Sinica,1994,14(4):354-361. |
| |
| Authors: | Yan Xinjie Luo Jiau Qiao Quanming Fei Jianfang Chen Fenggui |
| |
| Abstract: | There were three heavy rainfall procedures over the Jianghuai basin in 1991,and the variance of rainfall showed 20 - 25 days oscillation remarkably,which was shorter than 40 days climate peried. The analyses show that there is relation closly between the low frequency oscillation of the Meiyu rainfall in 1991 and the Ural blocking high,and the west Pacific subtropic high,and the east Asia monsson and Indian monsson,and the vortex streets propagation northward of 20-25 days oscillation on 500kPa equator area. |
| |
| Keywords: | Heavy Rainfall Low Frequency Oscillation |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《气象科学》浏览原始摘要信息 |
| 点击此处可从《气象科学》下载免费的PDF全文 |
|
